basic electronics ‹ BUILD CIRCUIT

1

Basic remote tester

May 07 in Basic Electronics, LDR Engineering, MINI Breadboard Written by: Sagar Sapkota

Description: This circuit can be used for testing your TV, DVD, VCD, etc. remote control. This is the fundamental module for making infrared based object counter. This project has been derived from "Remote tester project" . DATASHEET OF TSOP4838 According to the datasheet of TSOP4838, the input voltage to IR sensor should be 3V-5V. When the sensor gets infrared signal, the voltage at its VO pin drops and that triggers the BC557 transistor. At each trigger signal, BC557 glows the LED....

1

Astable mode of 555 timer

Apr 24 in Basic Electronics, LDR Engineering, MINI Breadboard, Recent Written by: Sagar Sapkota

Description: Astable mode of 555 timer is used to generate pulses at regular interval. READ ABOUT ASTABLE MODE. The following schematic has been taken from buildcircuit.com. The following circuit can work as a music generator, Infrared transmitter and LED blinker depending upon the values of R1, R2 and C1. Download FREE simulators for learning 555 timer. In this post, we are showing how the values of R1, R2 and C2 make changes in output of the circuit. Circuit 1: LED Blinker. In...

3

Combine two dark sensors and make an easy clap switch

Mar 06 in Basic Electronics, LDR Engineering, MINI Breadboard, Recent Written by: Sagar

CHECK RECENTLY PUBLISHED "CLAP SWITCH WITH TOGGLE FEATURE". It is always good to break a big project into small modules and test them separately. After you confirm that the small modules work properly, you can combine them together and make it a big project. In this article, we will see how we can combine small projects(dark sensors) to make a bigger project. We will combine two independent dark sensors(Small Projects) to make a simple clap switch(Big Project). This project is based on previous...

1

Blinker using arduino and NE555 timer IC

Jan 01 in Arduino, circuit-blog.com Written by: Sagar

Code for Blinker: download A blinker switches On/off an LED at a regular interval. This is the one of the easiest arduino projects. You might be interested in making this project on breadboard. So, you can take some easy steps given below: - One pin of reset switch goes to GND(ground) and the other pin goes to reset pin(Pin1 of chip). - 10K resistor is connected across reset pin (Pin 1) and Vcc. Vcc is the power to run the programmer and that is drawn by FT232RL breakout board via computer. -...

basic electronics

Basic remote tester

Astable mode of 555 timer

Combine two dark sensors and make an easy clap switch

Blinker using arduino and NE555 timer IC

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basic electronics

Basic remote tester

Astable mode of 555 timer

Combine two dark sensors and make an easy clap switch

Blinker using arduino and NE555 timer IC

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